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21176 (1994 CN13)
Classification: Main-belt Asteroid          SPK-ID: 2021176
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1877753857228801 3.0787e-08  
a 2.453663698202448 1.1477e-08 au
q 1.992926050838255 7.6557e-08 au
i 3.636255366540978 3.881e-06 deg
node 64.9716730957489 5.7075e-05 deg
peri 260.2197472826201 5.897e-05 deg
M 196.6784110561138 1.9564e-05 deg
tp 2459837.386552342201
(2022-Sep-14.88655234)
7.9721e-05 TDB
period 1403.850895192844
3.84
9.85e-06
2.697e-08
d
yr
n .2564374900730092 1.7993e-09 deg/d
Q 2.914401345566641 1.3632e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1552  
   data-arc span      14797 days (40.51 yr)  
   first obs. used      1980-09-09  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50828  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:40:58  

Additional Information
 Earth MOID = .982983 au 
 Jupiter MOID = 2.42152 au 
 T_jup = 3.467 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.54   n/a E2021B10  
diameter diameter 7.653 km 0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21176 (1994 CN13)          Discovered 1994-Feb-08 by Elst, E. W. at La Silla
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 CN13 = 1980 RC5 = 1998 FE36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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